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Baltimore City · 21202

420 E BIDDLE ST

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Total assessment
$153,333
Land use
Residential (R)
Year built
1920
Last sale
Jun 29, 2026

Assessment

OwnerMCADAM, NATHAN
Land useResidential (R)
Total assessment$153,333 (cycle 2026)
Last saleJun 29, 2026 — $419,000
Year built1920
ZoningR-8
Vacant—

Permits

14
TypeDescriptionCostIssued
USE2022USE AS A SINGLE FAMILY DWELLING.—Oct 24, 2022
COM2022UPDATING FENCE AND DECK IN REAR PATIO. AS PER PLANS AND AS PER CODE.****** AS PER THE DEPARTMENT OF PLANNING: . FENCING MUST COMPLY WITH JOHNSTON SQUARE URBAN RENEWAL PLAN PAGE 42 ''IT MAY BE OPAQUE TO A MAXIMUM OF 48 INCHES. THERE MAY BE UP TO AN ADDITIONAL 24 INCHES OF FENCE IN A LATTICE OR PICKET STYLE.''$2,000Sep 19, 2022
COM2022INSTALL (1) # ELECTRIC WATER HEATER, (2) BTU GAS PIPEING, (9) # PLUMBING FIXTURES, (1) # SANITARY CONNECTION (RECONSTRUCTION0, (1) # WATER SERVICE PIPE (RECONSTRUCTION), (1) 100000 BTU FUEL-BURNING EQUIP, (1) 40000 BTU FUEL-BURNING EQUIP AS PER CODE.$0Jun 1, 2022
COM2022REINSTATE ORIGINAL PERMIT.(ORIGINAL PERMIT:COM2020-76520:INSTALL (2) 1 BTU AIR-CON SYSTEM, HEAT PUMP, (1) # NEW DISTRIBUTION SYSTEM (1-2 FAMILY), (3) 50 CFM EXHAUST SYSTEMS , (1) 1 BTU FUEL-BURNING EQUIP AS PER CODE.) Original Permit Description:(COM2020-76520) INSTALL (2) 1 BTU AIR-CON SYSTEM, HEAT PUMP, (1) # NEW DISTRIBUTION SYSTEM (1-2 FAMILY), (3) 50 CFM EXHAUST SYSTEMS , (1) 1 BTU FUEL-BURNING EQUIP AS PER CODE.—May 28, 2022
COM2022REINSTATE ORIGINAL PERMIT.(ORIGINAL PERMIT:COM2020-78089:SCOPE OF WORK: ELECTRICAL ALTERATIONS TO INCLUDE: REWIRE PREMISE, INSTALL 200 AMP SERVICE, INSTALL (22) NEW CIRCUITS AND INSTALL (80) NEW FIXTURES/DEVICES, ALL WORK WILL BE DONE ACCORDING TO BALTIMORE CITY CODE ) Original Permit Description:(COM2020-78089) SCOPE OF WORK: ELECTRICAL ALTERATIONS TO INCLUDE: REWIRE PREMISE, INSTALL 200 AMP SERVICE, INSTALL (22) NEW CIRCUITS AND INSTALL (80) NEW FIXTURES/DEVICES, ALL WORK WILL BE DONE ACCORDING TO BALTIMORE CITY CODE —May 27, 2022
COM2022REINSTATE ORIGINAL PERMIT.(ORIGINAL PERMIT:COM2020-54346:CATEGORY 3 DEMO OF EXISTING REAR WALL ON 1ST, 2ND AND 3RD FLOOR. NEW INTERIOR WORK: FRAMING (2,000 SF) W/ STUD WALLS, BASEMENT STAIRCASE (7-3/4''RISER,11''TREAD,3'WIDE) W/ HANGERS, DRYWALL, TRIM, INSULATION (R-20 WALLS, R-49 ROOF). NEW FLOOR & ROOF JOISTS AS PER PLANS. NEW BASEMENT SLAB, 3'' GRAVEL 4'' CONCRETE (44'-9''X9') (VARIES) (350 SF). NEW EXTERIOR WORK: NEW 3-STORY REAR ADDITION (13'X10') (390 SF), NEW 2ND FLOOR SIDE LANDING & STEPS TO GRADE (16'-10''X3'). NEW EXTERIOR DOORS (3), WINDOWS (20). DEMO/RE-POUR EXISTING REAR CONCRETE SLAB (37'X14')(378 SF). AS PER PLANS, AS PER CODE. ) Original Permit Description:(COM2020-54346) CATEGORY 3 DEMO OF EXISTING REAR WALL ON 1ST, 2ND AND 3RD FLOOR. NEW INTERIOR WORK: FRAMING (2,000 SF) W/ STUD WALLS, BASEMENT STAIRCASE (7-3/4''RISER,11''TREAD,3'WIDE) W/ HANGERS, DRYWALL, TRIM, INSULATION (R-20 WALLS, R-49 ROOF). NEW FLOOR & ROOF JOISTS AS PER PLANS. NEW BASEMENT SLAB, 3'' GRAVEL 4'' CONCRETE (44'-9''X9') (VARIES) (350 SF). NEW EXTERIOR WORK: NEW 3-STORY REAR ADDITION (13'X10') (390 SF), NEW 2ND FLOOR SIDE LANDING & STEPS TO GRADE (16'-10''X3'). NEW EXTERIOR DOORS (3), WINDOWS (20). DEMO/RE-POUR EXISTING REAR CONCRETE SLAB (37'X14')(378 SF). AS PER PLANS, AS PER CODE. —May 13, 2022
COM2020 Extend Original Permit.(original permit:COM2020-60618:SCOPE OF WORK: INTERIOR ALTERATIONS TO INCLUDE: INSTALL NEW DRAIN TILE, ALL WORK WILL BE DONE PER BALTIMORE CITY CODE *SEPARATE PERMIT WILL BE PULLED FOR MEP WORK.) Original Permit Description:(COM2020-60618) SCOPE OF WORK: INTERIOR ALTERATIONS TO INCLUDE: INSTALL NEW DRAIN TILE, ALL WORK WILL BE DONE PER BALTIMORE CITY CODE *SEPARATE PERMIT WILL BE PULLED FOR MEP WORK.—Jan 19, 2021
COM2020 Extend Original Permit.(original permit:COM2020-54346:CATEGORY 3 DEMO OF EXISTING REAR WALL ON 1ST, 2ND AND 3RD FLOOR. NEW INTERIOR WORK: FRAMING (2,000 SF) W/ STUD WALLS, BASEMENT STAIRCASE (7-3/4''RISER,11''TREAD,3'WIDE) W/ HANGERS, DRYWALL, TRIM, INSULATION (R-20 WALLS, R-49 ROOF). NEW FLOOR & ROOF JOISTS AS PER PLANS. NEW BASEMENT SLAB, 3'' GRAVEL 4'' CONCRETE (44'-9''X9') (VARIES) (350 SF). NEW EXTERIOR WORK: NEW 3-STORY REAR ADDITION (13'X10') (390 SF), NEW 2ND FLOOR SIDE LANDING & STEPS TO GRADE (16'-10''X3'). NEW EXTERIOR DOORS (3), WINDOWS (20). DEMO/RE-POUR EXISTING REAR CONCRETE SLAB (37'X14')(378 SF). AS PER PLANS, AS PER CODE. ) Original Permit Description:(COM2020-54346) CATEGORY 3 DEMO OF EXISTING REAR WALL ON 1ST, 2ND AND 3RD FLOOR. NEW INTERIOR WORK: FRAMING (2,000 SF) W/ STUD WALLS, BASEMENT STAIRCASE (7-3/4''RISER,11''TREAD,3'WIDE) W/ HANGERS, DRYWALL, TRIM, INSULATION (R-20 WALLS, R-49 ROOF). NEW FLOOR & ROOF JOISTS AS PER PLANS. NEW BASEMENT SLAB, 3'' GRAVEL 4'' CONCRETE (44'-9''X9') (VARIES) (350 SF). NEW EXTERIOR WORK: NEW 3-STORY REAR ADDITION (13'X10') (390 SF), NEW 2ND FLOOR SIDE LANDING & STEPS TO GRADE (16'-10''X3'). NEW EXTERIOR DOORS (3), WINDOWS (20). DEMO/RE-POUR EXISTING REAR CONCRETE SLAB (37'X14')(378 SF). AS PER PLANS, AS PER CODE. —Oct 21, 2020
COM2020SCOPE OF WORK: ELECTRICAL ALTERATIONS TO INCLUDE: REWIRE PREMISE, INSTALL 200 AMP SERVICE, INSTALL (22) NEW CIRCUITS AND INSTALL (80) NEW FIXTURES/DEVICES, ALL WORK WILL BE DONE ACCORDING TO BALTIMORE CITY CODE $6,000Sep 22, 2020
COM2020INSTALL (2) 1 BTU AIR-CON SYSTEM, HEAT PUMP, (1) # NEW DISTRIBUTION SYSTEM (1-2 FAMILY), (3) 50 CFM EXHAUST SYSTEMS , (1) 1 BTU FUEL-BURNING EQUIP AS PER CODE.$30,000Sep 3, 2020
COM2020INSTALL (1) # ELECTRIC WATER HEATER, (2) BTU GAS PIPEING, (1) # SANITARY CONNECTION (RECONSTRUCTION0, (1) # WATER SERVICE PIPE (RECONSTRUCTION), (9) # PLUMBING FIXTURES, (1) 100000 BTU FUEL-BURNING EQUIP, (1) 40000 BTU FUEL-BURNING EQUIP AS PER CODE.$0Aug 27, 2020
COM2020SCOPE OF WORK: INTERIOR ALTERATIONS TO INCLUDE: INSTALL NEW DRAIN TILE, ALL WORK WILL BE DONE PER BALTIMORE CITY CODE *SEPARATE PERMIT WILL BE PULLED FOR MEP WORK.$1,000Apr 9, 2020
COM2020CATEGORY 3 DEMO OF EXISTING REAR WALL ON 1ST, 2ND AND 3RD FLOOR. NEW INTERIOR WORK: FRAMING (2,000 SF) W/ STUD WALLS, BASEMENT STAIRCASE (7-3/4''RISER,11''TREAD,3'WIDE) W/ HANGERS, DRYWALL, TRIM, INSULATION (R-20 WALLS, R-49 ROOF). NEW FLOOR & ROOF JOISTS AS PER PLANS. NEW BASEMENT SLAB, 3'' GRAVEL 4'' CONCRETE (44'-9''X9') (VARIES) (350 SF). NEW EXTERIOR WORK: NEW 3-STORY REAR ADDITION (13'X10') (390 SF), NEW 2ND FLOOR SIDE LANDING & STEPS TO GRADE (16'-10''X3'). NEW EXTERIOR DOORS (3), WINDOWS (20). DEMO/RE-POUR EXISTING REAR CONCRETE SLAB (37'X14')(378 SF). AS PER PLANS, AS PER CODE. $100,000Feb 27, 2020
COM2019per plan::8-9-19 approved with the condition that all replacement windows and doors fit existing openings and complement character of existing structure. scope of work: interior alterations to include: interior demolition (category i): removal and replacement of drywall on walls and ceilings, removal and replacement of floor sheathing and exterior alterations to include: application of rubber roof (no structural changes will be made) and replacement of some windows and doors (windows and doors to be replaced in the same size and location). all work will be done per code.$600Aug 12, 2019

Violations

0

No violations on record.

Inspections

0

No inspections on record.

Nearby recent activity

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Data freshness: city-311: 2026-07-12; city-ecb-citations: 2026-07-12; city-housing-inspections: 2026-07-12; city-permits: 2026-07-12; city-real-property: 2026-07-12; city-vbn: 2026-07-12; county-permits: 2026-07-11; sdat-properties: 2026-07-12;

Official sources: Maryland SDAT, Baltimore City permits.